13 results
Complete (3rd Degree) Heart Block on ECG

ECG of a man brought to the ER by paramedics
Complete (3rd Degree ... an episode of syncope ... @EM_RESUS #Complete ... HeartBlock #ECG #EKG #Electrocardiogram
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
induced 2nd or 3rd ... RBBB/LBBB with syncope ... Class Ill: • Syncope ... unclear origin • Sinus ... arrest, prolonged PR
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial complex ... look like the sinus ... PAC will have a PR ... premature junctional complex ... diagnosis #ekg #ecg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... • Prolonged PR ... Treatment: Pacemaker 3rd ... Degree, Complete ... Diagnosis #EKG #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... The P wave and PR ... encompassing a QRS complex ... intervening QRS complex ... diagnosis #ekg #ecg #electrocardiogram
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... : • Sick Sinus ... Node) • 2nd/3rd ... Tachy-Brady Syndrome #Syncope
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... (<60 bpm) • Sinus ... Bradycardia • Sick Sinus ... Block (ISt/2nd /3rd ... Differential #Diagnosis #Algorithm
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... The P wave and PR ... encompassing a QRS complex ... intervening QRS complex ... diagnosis #ekg #ecg #electrocardiogram
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
Heart Block • In sinus ... rhythm with complete ... • The PR interval ... #ThirdDegree #3rd ... ecg #diagnosis #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
PR interval ... There is constant PR ... Block • During sinus ... • The PR interval ... ecg #diagnosis #electrocardiogram